154 lines
4.7 KiB
C++
154 lines
4.7 KiB
C++
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 XDL Team (ic-east.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and XDL Team
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** ic-east.com
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**
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****************************************************************************/
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#ifndef _QX_DATE_NEUTRAL_H_
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#define _QX_DATE_NEUTRAL_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxDateNeutral.h
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* \author XDL Team
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* \ingroup QxDao
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* \brief Helper class to store a date value into database under neutral format (YYYYMMDD) => cross database compatibility
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*/
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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#include <boost/serialization/serialization.hpp>
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#include <boost/serialization/nvp.hpp>
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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#include <QtCore/qdatetime.h>
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#include <QtCore/qdatastream.h>
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#include <QxSerialize/Qt/QxSerialize_QString.h>
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#include <QxTraits/get_class_name.h>
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namespace qx
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{
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class QxDateNeutral;
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} // namespace qx
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QX_DLL_EXPORT QDataStream &operator<<(QDataStream &stream, const qx::QxDateNeutral &t) QX_USED;
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QX_DLL_EXPORT QDataStream &operator>>(QDataStream &stream, qx::QxDateNeutral &t) QX_USED;
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namespace qx
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{
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/*!
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* \ingroup QxDao
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* \brief qx::QxDateNeutral : helper class to store a date value into database under neutral format (YYYYMMDD) => cross database compatibility
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*/
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class QxDateNeutral
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{
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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friend class boost::serialization::access;
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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friend QX_DLL_EXPORT QDataStream & ::operator<<(QDataStream &stream, const qx::QxDateNeutral &t);
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friend QX_DLL_EXPORT QDataStream & ::operator>>(QDataStream &stream, qx::QxDateNeutral &t);
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private:
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QDate m_date; //!< Data value under QDate format from Qt library
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QString m_neutral; //!< Data value under neutral format 'yyyyMMdd'
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public:
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QxDateNeutral() { ; }
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explicit QxDateNeutral(const QDate &date) : m_date(date) { update(); }
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explicit QxDateNeutral(const QString &neutral) : m_neutral(neutral) { update(); }
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virtual ~QxDateNeutral() { ; }
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inline QDate toDate() const { return m_date; }
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inline QString toNeutral() const { return m_neutral; }
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inline bool isValid() const { return m_date.isValid(); }
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inline void setDate(const QDate &date)
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{
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m_neutral = "";
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m_date = date;
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update();
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}
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inline void setNeutral(const QString &neutral)
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{
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m_date = QDate();
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m_neutral = neutral;
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update();
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}
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static QxDateNeutral fromDate(const QDate &date) { return QxDateNeutral(date); }
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static QxDateNeutral fromNeutral(const QString &neutral) { return QxDateNeutral(neutral); }
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private:
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static inline const char *format() { return "yyyyMMdd"; }
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void update()
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{
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if (m_neutral.isEmpty() && !m_date.isValid())
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{
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return;
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}
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else if (m_date.isValid())
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{
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m_neutral = m_date.toString(format());
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}
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else
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{
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qAssert(m_neutral.size() == QString(format()).size());
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m_date = QDate::fromString(m_neutral, format());
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qAssert(m_date.isValid());
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}
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}
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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template <class Archive>
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void serialize(Archive &ar, const unsigned int file_version)
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{
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Q_UNUSED(file_version);
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ar &boost::serialization::make_nvp("date_neutral", m_neutral);
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if (Archive::is_loading::value)
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{
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m_date = QDate();
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update();
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}
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}
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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};
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} // namespace qx
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QX_REGISTER_CLASS_NAME(qx::QxDateNeutral)
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#endif // _QX_DATE_NEUTRAL_H_
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